排序方式: 共有5条查询结果,搜索用时 0 毫秒
1
1.
2.
3.
4.
lNTR0DUCTIONFeathersarethemostc0mplexcuticularderivativesoftheintegumentofbirds.Theirdifferentpartsdisplayanenormousvarietyofmodifications.Thisdifferencenotonlyshot`-sonthemorphology0ffeathcrs,butals0,moresignificantly,ontheirmicrostructtires.Themacroscopicandmicroscopicdifferencesintl1emorphologyandstructUreoffeathersaredifferentforvariousclassificationgroups,andeveryclassificationgrouphasitscharacteristicfeathersmictUres,eveninasPeciesofbird,therearedifferenttyPcsoffeatl1ers.Allthesepr… 相似文献
5.
1